Omron RX Series - Alarm Codes and Remedies; Alarm Display

10 Troubleshooting
10 - 2
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
10-1 Alarm Codes and Remedies
This section describes how to deal with troubles that may occur after the start of the inverter operation.
If an error occurs, the inverter shuts off its output (“trip”), turns ON the ALARM LED, and displays an
alarm code. With the alarm code displayed, you can press the Increment key to view the detailed
information such as the output frequency, current, and DC voltage when the alarm signal was output.
After checking the RUN command and other signals, you can reset the alarm.
Before resetting the alarm, be sure to investigate the cause of the trip and remove the trip factor(s)
according to the displayed alarm code.
Use the Fault Monitor 1 to 6 (d081 to d086) to check the current alarm, as well as the past alarms. The
Fault Monitor 1 (d081) displays information on the last alarm.
10-1-1 Alarm Display
Fault Monitor Display
Fault monitor 1
Output frequency at
alarm occurrence [Hz]
Alarm code
Alarm factor
Hz
A
Hz
A
Hz
A
Hz
A
Hz
A
Hz
A
Output current at
alarm occurrence [A]
P-N DC voltage at
alarm occurrence [V]
Total RUN time until
alarm occurrence [h]
Total power supply time
until alarm occurrence [h]
Inverter status at alarm occurrence
: Initializing at power-on or
with reset terminal ON
: During stop
: During deceleration
: During constant speed
: During acceleration
:
During RUN at 0-Hz frequency
: During startup
: DC injection braking enabled
: Overload limit enabled
: During preliminary excitation
(forcing) or Servo ON
Refer to 10-1-2 Alarm Code
List on page 10-3.